Year Number of Firms 1992-01-01 5 1997-01-01 10 2002-01-01 18 2003-01-01 16 2004-01-01 21 2005-01-01 21 2006-01-01 26 2007-01-01 34 2008-01-01 31 2009-01-01 43 2010-01-01 34 2011-01-01 47 2012-01-01 50 2013-01-01 41 2014-01-01 52 2015-01-01 58 2016-01-01 65